Question # 1

The unit of area is _______:

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m

m²

m³

m/s

Difficult and complicated calculation become easier by using:

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Matrices

Logarithms

Triangles

None of these

The logarithm of unity to any base is.

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1

10

e

0

Number of lines can be drawn from two points:

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1

2

3

unlimited

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ab-cd

ac-bd

bc-ad

ad-bc

Conjugate of real number is:

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Pure imaginary

Real

Complex

None

If the capacity c of an elevator is at most 1600 pounds, then ______:

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c < 1600

c > 1600

Two points determine a _________

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Space

Plane

Curve

Line

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3

1/3

35

None of these

The right bisector of the sides of an acute triangle intersects each other ______:

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Outside the triangle

Inside the triangle

Hypotenuse

At no point

Mid-point of the points B (-1,1) and A (2,5) is:

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(1,6)

(3,7)

The measure of central tendency which is not affected by extreme values is called:

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Median

Arithmetic mean

Geometric mean

None of these

If an arc of a circle subtends a central angle of 60°, then the corresponding chord of the arc will make the central angle of:

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20°

40°

60°

80°

The some of cube roots of unity is:

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Zero

One

Two

Three

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Proper fraction

Improper fraction

Rational fraction

Irrational fraction

A and A^care.................................Set.

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Universal

Overlapping

Disjoint

Super

tan 60^o = ...............

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1/2

√3/2

√3

1/√3

Cosec²θ - Cot²θ = ______________

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-1

1

0

tanθ

The important thing in ratio is:

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Value of the elements

Orderof the elements

Unitsof the elements

Quantityof the elements

The discriminant of x²+8x+16=0:

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4

3

2

0

If A and B are two disjoint sets then A⋃ b = ______

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A

B

∅

B⋃ A

In a set of observation. 5,5,7,9,9,9,9,11,11,11,11,12,12 the mode is:

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9

11

Both 9 and 11

None of these

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i

If AB = BA = I, then A and B are:

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equal to each other

multiplicative inverse of each other

additive inverse of each other

both singular

In ax² + bx + c = 0, if b² - 4ac > 0 and perfect square the roots are:

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rational

irrational

equal

complex

Sum of all four fourth roots of unity is:

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1

0

-1

3

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quad. I

quad. II

quad. III

quad. IV

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Sum of all three cube roots of unity is:

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1

-1

0

3

No. of arrangements of the letters of the word plane taking all letters at a time:

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5

1

none

No. of signals made by 4 flags of different colors using 2 flags at a time:

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6

12

60

none

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T₆

T₇

T₈

T₅

The additive inverse of a real number is a:

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0

-a

a

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